A 68-year-old woman is brought to her primary care physician by her son due to concerns about her behavior over the past 9 months. He reports that there were times she would leave the stove on after she finished cooking, causing her husband to always check the stove after meals. Even though he would tell the patient he will be visiting her in a few weeks, she completely forgets when he arrives. He has also noticed she is mildly irritable at things that usually would not bother her. Past medical history is unremarkable, and her only medication is a multivitamin. She is a retired secretary and currently lives with her husband. Her vital signs are unremarkable. Montreal Cognitive Assessment (MoCA) testing is significant for impairments in visuospatial function and memory (0/5 items on delayed recall, even with cues). The rest of the neurological exam is unremarkable. TSH and vitamin B12 tests are normal. Which of the following is most likely to be found on histology?

A 68-year-old woman is brought to her primary care physician by her son due to concerns about her behavior over the past 9 months. He reports that there were times she would leave the stove on after she finished cooking, causing her husband to always check the stove after meals. Even though he would tell the patient he will be visiting her in a few weeks, she completely forgets when he arrives. He has also noticed she is mildly irritable at things that usually would not bother her. Past medical history is unremarkable, and her only medication is a multivitamin. She is a retired secretary and currently lives with her husband. Her vital signs are unremarkable. Montreal Cognitive Assessment (MoCA) testing is significant for impairments in visuospatial function and memory (0/5 items on delayed recall, even with cues). The rest of the neurological exam is unremarkable. TSH and vitamin B12 tests are normal. Which of the following is most likely to be found on histology?

During transmission across a typical chemical synapse,

Natural selection tends to correlate the structures of a nervous system with an animal's interaction with the environment. A good example are sessile or slow-moving mollusks such as clams, which

You start to fall but then catch yourself, regaining your balance. Which of the following brain regions is responsible for the rapid coordination of muscle activity that kept you from falling?

Which of the following statements about Alzheimer's disease is true?